Programmer Group

Author: Wang Jishun Baozun e-commerce DBA is mainly responsible for the design and development of database monitoring alarm and automation platform, and is good at database performance optimization and fault diagnosis. background As the number of servers in each environment of the company increases, there are multiple Prometheus clusters dep ...

1. Dynamic and Static Separation of LAMPWhen an efficient web architecture needs to be built, static-dynamic separation is undoubtedly the best option. This post will write down how LAMP is deployed. So-called LAMP?LAMP architecture is one of the most mature application modes for enterprise websites. It refers to a set of systems and related s ...

About rsync A fast incremental backup tool Remote Sync, remote synchronization Support local replication or synchronization with other SsH, rsync hosts Official website: http://rsync.samba.org Configure rsync Source Server rsync Synchronization Source Refers to a remote server for backup operations, also known as a backup source Configure ...

CentOS 7 ---- Recently, I have reinstalled the virtual machine Linux, and I will take some practical notes. The following is a guide for pit arrangement: For initial installation, configure the network card and virtual machine host network first. To view network card details, enter the following command: ifconfig ip addr ip link ...

TA-Lib , full name "Technical Analysis Library", namely Technical Analysis Library, is a high-level Library of Python financial quantification, covering more than 150 technical analysis indicators commonly used in stock and futures trading software, such as MACD, RSI, KDJ, momentum indicators, brin belt, etc. TA lib can be divided int ...

About rsync A fast incremental backup tool Remote SyncSupport local replication or synchronization with other SSH and rsync hostsOfficial website: http://rsync.samba.org Configure rsync source server rsync sync source Refers to the remote server of the backup operation, also known as the backup source Configure rsync source Basic thinking ...

1. zabbix Mail Alarm SettingsPrinciple: After breaking the alarm, you can configure corresponding actions, in which you can send mail, WeChat, pins, text messages, etc.Place the alert script in Configuration/usr/local/zabbix/etc/zabbix_server.conf LogFile=/usr/local/zabbix/zabbix_server.log DBHost=127.0.0.1 DBName=zabbix DBUser=zabbix DBPassw ...

1. Introduction to Docker-Compose Compose is a tool for defining and running container docker applications.With Compose, you can use YAML files to fit all the services your application needs.Then, with one command, you can create and start all services from the YAML file pairing.Then you need to understand the basic syntax of YAML files. Basi ...

1. Instructions for docker file s 1. Instruction 1:FROM Instruction FROM must be the first comment directive Used to specify the base image, which can be any image When using the FROM command, docker daemon automatically looks for the specified image on its own machine first, and if it does not, it looks for the image on docker hub or other s ...

As with all bus dev DRV models, when we get a module, all we need to do is dev? DRV, the device driver 1, device Method 1. Write an i2c_device.c yourself #include <linux/kernel.h> #include <linux/module.h> #include <linux/platform_device.h> #include <linux/i2c.h> #include <linux/err.h> #include < ...